PERMAFROST

作品数：355被引量：966H指数：18
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Conception and first results of the Russian National System of Background Permafrost Monitoring
《Advances in Polar Science》2025年第1期51-60,共10页Nikita E.DEMIDOV Oleg A.ANISIMOV Mikhail A.ANISIMOV Alexander L.BORISIK Valerian E.GOLAVSKII Maria A.GUSAKOVA Alina V.GUZEVA Alexander S.MAKAROV Anton P.MOROZOV Irina Yu.SOLOVYANOVA Alexander A.STEPANETS Yuriy V.UGRUMOV Daria K.ZAITSEVA 
supported by the Key Innovative Project of National Importance“Unified National System for Monitoring Climate-active Substances”。
In 2022,the Russian Federation commenced development of a national system for permafrost monitoring.The conceptual design of this system reflects three objectives:(1)to collect data on the impact of climate change on ...
关键词：MONITORING climate change weather station PERMAFROST active layer 
The shifts of precipitation phases and their impacts
《Science China Earth Sciences》2025年第2期425-443,共19页Xuemei LI Tao CHE Yuanlong TANG Huan’e DUAN Guigang WANG Xu ZHANG Chuanming YANG Jun WU Yue ZHANG Lanhai LI 
supported by the Sub-theme of the Second Comprehensive Scientific Investigation of the Tibetan Plateau (Grant No. 2019QZKK020109-1);the National Natural Science Foundation of China (Grant Nos. 42261026 & 42161025);the Open Foundation of Xinjiang Key Laboratory of Water Cycle and Utilization in Arid Zone (Grant No. XJYS0907-2023-01)。
Precipitation comes in various phases, including rainfall, snowfall, sleet, and hail. Shifts of precipitation phases, as well as changes in precipitation amount, intensity, and frequency, have significant impacts on r...
关键词：Precipitation phases Shift of precipitation from solid to liquid(SPSL) Climate change Water cycle processes Snowandicepr sses Snow and ice-related disasters Carbon emission from permafrost ECOSYSTEMS 
Revised Understanding of Permafrost Shape:Inclusion of the Transition Zone and Its Climatic and Environmental Significances
《Journal of Earth Science》2025年第1期339-346,共8页Dongliang Luo Zeyong Gao Fangfang Chen Luyang Wang Jia Liu Shizhen Li Qi Shen Yajuan Zao 
supported by the Science and Technology Program of Gansu Province(No.23ZDFA017);Western Young Scholars Project of the Chinese Academy of Sciences of China and Longyuan Youth Talents Project(Luo D L);the National Natural Science Foundation of China(No.U2243214);Youth Innovation Promotion Association of the Chinese Academy of Sciences(No.2023445)。
0 INTRODUCTION Permafrost refers to the ground that remains frozen year-round in polar and high-altitude regions,and its structure has traditionally been described by two distinct layers:the active layer and the perma...
关键词：ALTITUDE SEASONAL Transition 
Generation of runoff in an alpine meadow hillslope underlain by permafrost
《International Soil and Water Conservation Research》2024年第4期775-785,共11页Shenqi Xie Chen Zeng Xiong Xiao Guanxing Wang Fan Zhang 
financially supported by the National Natural Science Foundation of China(Grant No.42377340,No.42125104,No.42001062 and No.42101130)。
Permafrost plays an important role in hydrological processes of alpine regions.The frost table in the active layer on the permafrost acts as an impermeable boundary and regulates water generation from hillslopes and i...
关键词：PERMAFROST Active layer Thaw depth The thickness of the saturated zone Lateral subsurface flow 
Analysis on the synergistic variation of soil freezing and pile foundation bearing capacity in permafrost regions被引量：1
《International Journal of Transportation Science and Technology》2024年第4期134-149,共16页Dezhong Yu Yang Cao Qianqian Zhao 
funded by Zhejiang Shuren University Talent Startup Fund(No.2022R014);Zhejiang Shuren University Basic Scientific Research Special Funds(No.2023XZ014).
The construction of bored piles in permafrost regions disturbs the thermal stability of frozen soil,leading to decreased early bearing capacity of the pile foundation.As the permafrost ground temperature influences th...
关键词：Bridge engineering PERMAFROST Self-balancing Bearing capacity of pile foundation Finite analysis 
Thermal enhancement of targeted cooling thermosyphon array applied to the embankment–bridge transition section of the Qinghai–Tibet Railway in warm permafrost被引量：1
《Advances in Climate Change Research》2024年第6期1160-1176,共17页Kun CHEN Guo-Yu LI Qi-Hao YU Yan-Hui YOU Ming-Yang JIN Jin-Xin LU Yao-Jun ZHAO 
supported by the National Natural Science Foundation of China(42071095);the Second Tibetan Plateau Scientific Expedition and Research(STEP)Program(2019QZKK0905);the Science and Technology Program of Gansu Province(23ZDFA017);the Natural Science Foundation of Gansu Province(22JR5RA086);the Science and Technology Research and Development Program of the Qinghai‒Tibet Group Corporation(QZ2022-G02).
Permafrost degradation in the embankment–bridge transition section(EBTS)along the Qinghai–Tibet Railway has led to extensive damage to bridge structures,posing a serious threat to railway safety.With the ongoing glo...
关键词：Embankment-bridge transition section Permafrost degradation Targeted cooling thermosyphon array Low-temperature core Cold accumulative effect 
Multi-field Coupling Simulation of Impact of Temperature and Density of Heat Injection Well on Carbon Budget during Hydrate Exploitation in Qilian Mountain Permafrost Region
《Journal of Earth Science》2024年第6期1934-1943,共10页Zhenhua Han Ruirui Li Luqing Zhang Jian Zhou Song Wang 
supported by the Second Tibetan Plateau Scientific Expedition and Research Program(STEP)(No.2019QZKK0904);the National Natural Science Foundation of China(Nos.42107190,41972287 and 42277144)。
Permafrost regions of Qilian Mountains in China are rich in gas hydrate resources.Once greenhouse gases in deep frozen layer are released into the atmosphere during hydrate mining,a series of negative consequences occ...
关键词：PERMAFROST gas hydrates carbon budget methane emissions greenhouse gases environmental effects multi-field coupling SIMULATION 
The Performance Evolution Characteristics of Insitu Concrete at the Permafrost Regions
《Journal of Wuhan University of Technology(Materials Science)》2024年第6期1534-1540,共7页NING Zuojun LI Haoxin NIE Kangjun Nueraili Maimaitituersun Aihemaitijiang Tuerhong GAO Xiang 
Funded by the National Natural Science Foundation of China(Nos.52068035,52078372,and 52478272)。
This study aimed to investigate the performance evolution characteristics of concrete under permafrost ambient temperatures and to explore methods to mitigate the thermal perturbation by concrete on the permafrost env...
关键词：permafrost ambient mineral admixture compressive strength hydration temperature damage degree 
A new approach for evaluating regional permafrost changes:A case study in the Hoh Xil on the interior Qinghai‒Tibet Plateau
《Advances in Climate Change Research》2024年第6期1040-1056,共17页Yu-Xin ZHANG Lin ZHAO Chang-Wei XIE Guo-Jie HU Shu-Hua YANG De-Fu ZOU Yong-Ping QIAO Xiang-Fei LI Jia-Jie PENG 
supported by the National Natural Science Foundation of China(41931180 and 42322608);the Second Tibetan Plateau Scientific Expedition and Research(STEP)Program,China(2019QZKK0201).
The current spatial atmospheric forcing data cannot accurately depict the actual conditions of the Qinghai–Tibet Plateau(QTP),where monitoring stations are scarce and unevenly distributed.This deficiency in atmospher...
关键词：Numerical modelling Permafrost change Forcing data Hoh Xil 
A distributed modeling approach to water balance implications from changing land cover dynamics in permafrost environments
《Geography and Sustainability》2024年第4期561-576,共16页Naveed Ahmed Haishen Lu Zhongbo Yu Oluwafemi E.Adeyeri Muhammad Shahid Iqbal Jinbin Su 
supported by the Key Program of the National Natural Science Foundation of China(Grant No.41830752);the General Program of the National Natural Science Foundation of China(Grants No.42101397,42071033,41961134003).
There is 78%permafrost and seasonal frozen soil in the Yangtze River’s Source Region(SRYR),which is situated in the middle of the Qinghai-Xizang Plateau.Three distinct scenarios were developed in the Soil and Water A...
关键词：Cold region Land cover change Permafrost hydrology SWAT model Source region Yangtze river 
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